
Is There a Cleaner Lake Near Green Belt Lake?
Compared against 5 graded lakes within 30 miles, in Iowa.
Green Belt Lake holds Grade C (Fair). Of the 5 lakes within 30 miles of it that carry a grade, none scores higher on nutrients and algae, so Green Belt Lake is the cleanest graded water in that radius. Lakes nearby without enough recent sampling to earn a letter are not part of that comparison.
The graded lakes it was measured against
| Lake | County | Grade | Distance | Clarity |
|---|---|---|---|---|
| Green Belt Lake | Black Hawk County | C | This lake | 2.4 ft |
| South Prairie Lake | Black Hawk County | F | 3.6 mi | 1.6 ft |
| Mitchell Lake | Black Hawk County | C | 3.8 mi | 2.3 ft |
| Alice Wyth Lake | Black Hawk County | F | 3.9 mi | 1.6 ft |
| Meyers Lake | Black Hawk County | F | 5.2 mi | 1.1 ft |
| Casey Lake | Tama County | F | 15.3 mi | 1.2 ft |
What the comparison covers
A grade on LakeQuality comes from EPA Water Quality Portal samples: phosphorus, nitrogen, chlorophyll-a and turbidity, measured against EPA National Lakes Assessment ecoregion classes. Secchi clarity is shown and is not scored. This page compares Green Belt Lake only with neighbouring lakes in Iowathat carry a letter of their own, within 30 miles. A nearby lake with too little recent sampling has no letter to compare, so it is absent from the table rather than ranked below. Where a driving distance is not published for a lake, the table says so instead of estimating one.